ichidan verb
begin to attend; start commuting to
Used when someone starts regularly going to a place, especially school or work. Combines 通う (to commute/attend) with 始める (to begin).
四月から新しい学校に通い始める。
I will start attending a new school from April.
彼は先月からジムに通い始めた。
He started going to the gym last month.